While the article is very detailed and I'm sure his steps work perfectly. Here at LOpeyTech we try to make it as easy as possible. You just want the answers, and I sometimes I dont want to write that much. So here's what I did which worked for me.

Click the Home/Start button
In the search field type "cmd" without quotation
When the Command Prompt Appears. Type "Ipconfig" without quotation
Here you will see you internet connection settings.
Now Type "ipconfig /flushdns" without quotation

To be even lazyerrrr, copy and paste the commands above

Exit the command prompt and run the updates again. If you want more details click the link above. If you want a quick fix run the command..